From acd12326e1e72be0985cc7a25cbef7a3b78ec88c Mon Sep 17 00:00:00 2001 From: Alexandre Bury Date: Thu, 12 Oct 2017 21:24:17 -0700 Subject: [PATCH] Produce mouse events in termion backend --- Cargo.toml | 2 +- src/backend/termion.rs | 154 ++++++++++++++++++++++++++++------------- 2 files changed, 107 insertions(+), 49 deletions(-) diff --git a/Cargo.toml b/Cargo.toml index 0080ed9..cb10cca 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -51,7 +51,7 @@ version = "0.11" [dependencies.termion] optional = true -version = "1.4.0" +version = "1.5.0" [dev-dependencies] rand = "0.3" diff --git a/src/backend/termion.rs b/src/backend/termion.rs index 2dfdbf9..2e5aa0c 100644 --- a/src/backend/termion.rs +++ b/src/backend/termion.rs @@ -5,24 +5,28 @@ extern crate chan_signal; use self::termion::color as tcolor; use self::termion::event::Event as TEvent; use self::termion::event::Key as TKey; -use self::termion::input::TermRead; -use self::termion::raw::IntoRawMode; +use self::termion::event::MouseButton as TMouseButton; +use self::termion::event::MouseEvent as TMouseEvent; +use self::termion::input::{MouseTerminal, TermRead}; +use self::termion::raw::{IntoRawMode, RawTerminal}; use self::termion::screen::AlternateScreen; use self::termion::style as tstyle; use backend; use chan; -use event::{Event, Key}; +use event::{Event, Key, MouseButton, MouseEvent}; use std::cell::Cell; -use std::io::Write; +use std::io::{Stdout, Write}; use std::thread; use theme; +use vec::Vec2; pub struct Concrete { - terminal: AlternateScreen>, + terminal: AlternateScreen>>, current_style: Cell, - input: chan::Receiver, + input: chan::Receiver, resize: chan::Receiver, timeout: Option, + last_button: Option, } trait Effectable { @@ -51,6 +55,79 @@ impl Concrete { with_color(&colors.front, |c| print!("{}", tcolor::Fg(c))); with_color(&colors.back, |c| print!("{}", tcolor::Bg(c))); } + fn map_key(&mut self, event: TEvent) -> Event { + match event { + TEvent::Unsupported(bytes) => Event::Unknown(bytes), + TEvent::Key(TKey::Esc) => Event::Key(Key::Esc), + TEvent::Key(TKey::Backspace) => Event::Key(Key::Backspace), + TEvent::Key(TKey::Left) => Event::Key(Key::Left), + TEvent::Key(TKey::Right) => Event::Key(Key::Right), + TEvent::Key(TKey::Up) => Event::Key(Key::Up), + TEvent::Key(TKey::Down) => Event::Key(Key::Down), + TEvent::Key(TKey::Home) => Event::Key(Key::Home), + TEvent::Key(TKey::End) => Event::Key(Key::End), + TEvent::Key(TKey::PageUp) => Event::Key(Key::PageUp), + TEvent::Key(TKey::PageDown) => Event::Key(Key::PageDown), + TEvent::Key(TKey::Delete) => Event::Key(Key::Del), + TEvent::Key(TKey::Insert) => Event::Key(Key::Ins), + TEvent::Key(TKey::F(i)) if i < 12 => Event::Key(Key::from_f(i)), + TEvent::Key(TKey::F(j)) => Event::Unknown(vec![j]), + TEvent::Key(TKey::Char('\n')) => Event::Key(Key::Enter), + TEvent::Key(TKey::Char('\t')) => Event::Key(Key::Tab), + TEvent::Key(TKey::Char(c)) => Event::Char(c), + TEvent::Key(TKey::Ctrl('c')) => Event::Exit, + TEvent::Key(TKey::Ctrl(c)) => Event::CtrlChar(c), + TEvent::Key(TKey::Alt(c)) => Event::AltChar(c), + TEvent::Mouse(TMouseEvent::Press(btn, x, y)) => { + let position = (x - 1, y - 1).into(); + + let event = match btn { + TMouseButton::Left => MouseEvent::Press(MouseButton::Left), + TMouseButton::Middle => { + MouseEvent::Press(MouseButton::Middle) + } + TMouseButton::Right => { + MouseEvent::Press(MouseButton::Right) + } + TMouseButton::WheelUp => MouseEvent::WheelUp, + TMouseButton::WheelDown => MouseEvent::WheelDown, + }; + + if let MouseEvent::Press(btn) = event { + self.last_button = Some(btn); + } + + Event::Mouse { + event, + position, + offset: Vec2::zero(), + } + } + TEvent::Mouse(TMouseEvent::Release(x, y)) + if self.last_button.is_some() => + { + let event = MouseEvent::Release(self.last_button.unwrap()); + let position = (x - 1, y - 1).into(); + Event::Mouse { + event, + position, + offset: Vec2::zero(), + } + } + TEvent::Mouse(TMouseEvent::Hold(x, y)) + if self.last_button.is_some() => + { + let event = MouseEvent::Hold(self.last_button.unwrap()); + let position = (x - 1, y - 1).into(); + Event::Mouse { + event, + position, + offset: Vec2::zero(), + } + } + _ => Event::Unknown(vec![]), + } + } } impl backend::Backend for Concrete { @@ -59,14 +136,16 @@ impl backend::Backend for Concrete { let resize = chan_signal::notify(&[chan_signal::Signal::WINCH]); - let terminal = AlternateScreen::from( + // TODO: lock stdout + let terminal = AlternateScreen::from(MouseTerminal::from( ::std::io::stdout().into_raw_mode().unwrap(), - ); + )); + let (sender, receiver) = chan::async(); thread::spawn(move || for key in ::std::io::stdin().events() { if let Ok(key) = key { - sender.send(map_key(key)) + sender.send(key) } }); @@ -76,6 +155,7 @@ impl backend::Backend for Concrete { input: receiver, resize: resize, timeout: None, + last_button: None, }; backend @@ -148,49 +228,27 @@ impl backend::Backend for Concrete { } fn poll_event(&mut self) -> Event { - let input = &self.input; - let resize = &self.resize; + let result; + { + let input = &self.input; + let resize = &self.resize; - if let Some(timeout) = self.timeout { - let timeout = chan::after_ms(timeout); - chan_select!{ - timeout.recv() => return Event::Refresh, - resize.recv() => return Event::WindowResize, - input.recv() -> input => return input.unwrap(), - } - } else { - chan_select!{ - resize.recv() => return Event::WindowResize, - input.recv() -> input => return input.unwrap(), + if let Some(timeout) = self.timeout { + let timeout = chan::after_ms(timeout); + chan_select!{ + timeout.recv() => return Event::Refresh, + resize.recv() => return Event::WindowResize, + input.recv() -> input => result = Some(input.unwrap()), + } + } else { + chan_select!{ + resize.recv() => return Event::WindowResize, + input.recv() -> input => result = Some(input.unwrap()), + } } } - } -} -fn map_key(event: TEvent) -> Event { - match event { - TEvent::Unsupported(bytes) => Event::Unknown(bytes), - TEvent::Key(TKey::Esc) => Event::Key(Key::Esc), - TEvent::Key(TKey::Backspace) => Event::Key(Key::Backspace), - TEvent::Key(TKey::Left) => Event::Key(Key::Left), - TEvent::Key(TKey::Right) => Event::Key(Key::Right), - TEvent::Key(TKey::Up) => Event::Key(Key::Up), - TEvent::Key(TKey::Down) => Event::Key(Key::Down), - TEvent::Key(TKey::Home) => Event::Key(Key::Home), - TEvent::Key(TKey::End) => Event::Key(Key::End), - TEvent::Key(TKey::PageUp) => Event::Key(Key::PageUp), - TEvent::Key(TKey::PageDown) => Event::Key(Key::PageDown), - TEvent::Key(TKey::Delete) => Event::Key(Key::Del), - TEvent::Key(TKey::Insert) => Event::Key(Key::Ins), - TEvent::Key(TKey::F(i)) if i < 12 => Event::Key(Key::from_f(i)), - TEvent::Key(TKey::F(j)) => Event::Unknown(vec![j]), - TEvent::Key(TKey::Char('\n')) => Event::Key(Key::Enter), - TEvent::Key(TKey::Char('\t')) => Event::Key(Key::Tab), - TEvent::Key(TKey::Char(c)) => Event::Char(c), - TEvent::Key(TKey::Ctrl('c')) => Event::Exit, - TEvent::Key(TKey::Ctrl(c)) => Event::CtrlChar(c), - TEvent::Key(TKey::Alt(c)) => Event::AltChar(c), - _ => Event::Unknown(vec![]), + self.map_key(result.unwrap()) } }